Telangiectasias are small blood vessels that sit near the skin’s surface and widen and create visible patterns of lines. People often refer to them as spider veins. Telangiectasias may occur anywhere ...

Understanding the Context

Radiation telangiectasias are part of the spectrum of mucosal changes seen in radiation proctitis following treatment of prostate carcinoma and other intrapelvic neoplasias. Due to its fixed location, ... Spider veins, also known as telangiectasias or thread veins, resemble spider webs or tree branches. They occur when damage to blood vessels close to the skin's surface causes them to widen.

Key Insights

Spider ... Hereditary hemorrhagic telangiectasia (HHT) is characterized by extensive telangiectasias and arteriovenous malformations. The primary clinical manifestation is epistaxis that results in ... Hereditary hemorrhagic telangiectasia, or Osler–Weber–Rendu syndrome, is an autosomal dominant vascular disorder that affects multiple systems. It is characterized by skin and mucosal telangiectasias ...

Final Thoughts

Telangiectasias (commonly known as "spider veins") are dilated or broken blood vessels located near the surface of the skin or mucous membranes. They often appear as fine pink or red lines, which temporarily whiten when pressed. Telangiectasias are small, widened blood vessels on the skin. They are usually harmless, but may be associated with several diseases. Telangiectasias (from tel- 'end'; angi- ' blood vessel ' and ectasia 'the expansion of a hollow or tubular organ'), also known as spider veins, are small dilated blood vessels [1] that can occur near the surface of the skin or mucous membranes, measuring between 0.5 and 1 millimeter in diameter. [2] Telangiectasias are small blood vessels that sit near the skin’s surface and widen and create visible patterns of lines.

People often refer to them as spider veins. Telangiectasias, commonly called spider veins, are dilated blood vessels in the outer layer of the skin. Telangiectasias are very common and are often caused by sun damage or aging. What is telangiectasias?